Tag Archives | Classification of Amphibia

Classification of Amphibia | Vertebrates | Chordata | Zoology

Different authors have classified Class Amphibia with their own conception. Parker and Haswell divided the class into eight orders, five extinct and three living. It has been customary to place the extinct orders together in a subclass Stegocephalia (Adam Sedgwick) and all living groups in Lissamphibia. G. Kingsley Noble (1924) classified class Amphibia into six orders, 3 orders of extinct [...]

By Bhavya S|2017-07-14T08:37:51+00:00July 14, 2017|Amphibia|Comments Off

Classification of Amphibia | Zoology

In this article we will discuss about the classification of amphibia. About 2,500 extant species of three divergent groups—frogs and toads, salamanders, and caecilians are included in Amphibia. 1. The skin is moist, glandular and without scales. 2. A distinct neck is absent. 3. Typically, two pairs of limbs, no paired fins. Forelimbs with four and hind limbs with five [...]

By Shriya S|2017-01-11T14:47:29+00:00January 11, 2017|Amphibia|Comments Off